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Finding the Fourth Proportional to 84,704.10, 127,056.15 and 22,374.60

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Solution

The fourth proportional to 84,704.10, 127,056.15 and 22,374.60 is: 33,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,704.10 : 127,056.15 = 22,374.60 : x
  2. Step 2: Convert to fraction form
    84,704.10/127,056.15 = 22,374.60/x
  3. Step 3: Cross multiply
    84,704.10x = 127,056.15 × 22,374.60
  4. Step 4: Simplify right side
    84,704.10x = 2,842,830,533.79
  5. Step 5: Solve for x
    x = 2,842,830,533.79/84,704.10
  6. Step 6: Final answer
    x = 33,561.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.